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cc65 - a freeware C compiler for 6502 based systems
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Assembly 35.7%
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dfd047ce6a
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Jesse Rosenstock dfd047ce6a g_typeadjust: Use CF_CHAR for char args 
If lhs and rhs are either both signed char or both unsigned char,
return flags for that type instead of (unsigned) int.  The flags
are used only for codegen.  Currently, this does nothing, since
codegen treats chars as ints unless CF_FORCECHAR is set, but it
allows more efficient char x char -> int codegen to be added in
the future.
2020-12-24 14:40:39 -05:00
asminc Improved device I/O under DOS 3.3 2020-12-19 19:54:12 +01:00
cfg Added features; changed FFF0 segments 2020-11-28 20:56:12 +01:00
doc Documented the address size argument of the bss-name, code-name, data-name, and rodata-name pragmas. 2020-12-05 23:04:48 -05:00
include Added prototype 2020-11-18 10:28:19 +01:00
libsrc Improved device I/O under DOS 3.3 2020-12-19 19:54:12 +01:00
samples make plasma sample work again despite issue #1348 2020-11-19 23:21:06 +01:00
src g_typeadjust: Use CF_CHAR for char args 2020-12-24 14:40:39 -05:00
targettest makefile cleanup 2020-10-16 15:50:18 +02:00
test Fixed the cc65 code that optimizes 16-bit compares when the high bytes are known to be equal. 2020-12-24 12:27:09 -05:00
util
.gitattributes
.gitignore
.travis.yml Fixed Windows path notation. 2020-08-02 17:49:18 +02:00
LICENSE
Makefile Added test target. 2020-07-22 23:27:04 +02:00
Makefile.travis
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cc65 is a complete cross development package for 65(C)02 systems, including a powerful macro assembler, a C compiler, linker, librarian and several other tools.

cc65 has C and runtime library support for many of the old 6502 machines, including

  • the following Commodore machines:
    • VIC20
    • C16/C116 and Plus/4
    • C64
    • C128
    • CBM 510 (aka P500)
    • the 600/700 family
    • newer PET machines (not 2001).
  • the Apple ][+ and successors.
  • the Atari 8-bit machines.
  • the Atari 2600 console.
  • the Atari 5200 console.
  • GEOS for the C64, C128 and Apple //e.
  • the Bit Corporation Gamate console.
  • the NEC PC-Engine (aka TurboGrafx-16) console.
  • the Nintendo Entertainment System (NES) console.
  • the Watara Supervision console.
  • the VTech Creativision console.
  • the Oric Atmos.
  • the Oric Telestrat.
  • the Lynx console.
  • the Ohio Scientific Challenger 1P.

The libraries are fairly portable, so creating a version for other 6502s shouldn't be too much work.